1. von Laue, M., Ann. Physik, 50, 33 (1916). Coster, D., Knol, K. S., and Prins, J., Z. Phys., 63, 345 (1930). See also James, R. W., “The Optical Principles of the Diffraction of X-Rays”, chapter 4 (1948).
2. Bijvoet, J. M., Proc. Roy. Acad. Amsterdam, 52, 313 (1949). Peerdeman, A. F., van Bommel, A. J., and Bijvoet, J. M., ibid., B, 54, 16 (1951).
3. Cahn, R. S., and Ingold, C. K., J. Chem. Soc., 612 (1951).